CMS14 データシートの表示（PDF） - Toshiba

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CMS14

Schottky Barrier Diode

Toshiba 

Marking

Abbreviation Code

SD

Part No.

CMS14

Land pattern dimensions for reference only

Unit: mm

CMS14

1.4

3.0

1.4

Handling Precaution

1) Schottky barrier diodes have reverse current characteristics compared to other diodes.

There is a possibility SBD may cause thermal runaway when it is used under high temperature or high voltage.

Please take forward and reverse loss into consideration during design.

2) The absolute maximum ratings denote the absolute maximum ratings, which are rated values and must not be

exceeded during operation, even for an instant. The following are the general derating methods that we recommend

when you design a circuit with a device.

VRRM: Use this rating with reference to (1) above. VRRM has a temperature coefficient of 0.1%/°C. Take this

temperature coefficient into account designing a device at low temperature.

IF (AV): We recommend that the worst case current be no greater than 80% of the absolute maximum rating of

IF (AV) and Tj be below 120°C. When using this device, take the margin into consideration by using an

allowable Ta max - IF (AV) curve.

IFSM: This rating specifies the non-repetitive peak current. This is only applied for an abnormal operation,

which seldom occurs during the lifespan of the device.

Tj: Derate this rating when using a device in order to ensure high reliability.

We recommend that the device be used at a Tj of below 120°C.

3) Thermal resistance between junction and ambient fluctuates depending on the device’s mounting condition. When

using a device, design a circuit board and a soldering land size to match the appropriate thermal resistance value.

4) For other design considerations, see the Toshiba website.

2

2018-10-16

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